*** rdkafka_cgrp.c:3037:rd_kafka_cgrp_op_serve: assert: rktp->rktp_assigned ***
rd_kafka_t 0x2121b30: rdkafka#consumer-2
 producer.msg_cnt 0 (0 bytes)
 rk_rep reply queue: 2259 ops
 brokers:
 rd_kafka_broker_t 0x21232f0: :0/internal NodeId -1 in state INIT (for 6529.928s)
  refcnt 2
  outbuf_cnt: 0 waitresp_cnt: 0
  0 messages sent, 0 bytes, 0 errors, 0 timeouts
  0 messages received, 0 bytes, 0 errors
  0 messageset transmissions were retried
  0 toppars: